Argus has cut Orbital ATK Inc to Hold from Buy following its restatement announcement and the reduction in expected cash flows.Orbital, which was created through the combination of Orbital Sciences and the Aerospace and Defense Groups of Alliant Techsystems, has announced an upcoming earnings restatement that raises uncertainty over the quality of future earnings.,/p>The upcoming restatement involves a 10-year, $2.3 billion contract with the U.S. Army to manufacture and supply small caliber ammunition."Though the company's earnings trajectory is promising relative to the peer group, an accounting delay and a forthcoming earnings restatement have raised risks related to future cash flow," analyst John Eade wrote in a note.via